package day07demo;

public class Test4 {
    public static void main(String[] args) {
        char[] arr = new char[62];
        int a = 97;
        int A = 65;
        int zero = 48;
        for (int i = 0; i < arr.length; i++) {
            if (i < 26) {
                arr[i] = (char) a;
                a++;
            }else if (i>=26&& i<52){
                arr[i] = (char) A;
                A++;
            }else {
                arr[i] = (char)zero;
                zero++;
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + " ");
        }
    }
}
